27158690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12289}}^1$

素因数の和:12326

約数の個数: 32

約数和(自身を含む): 55747440

約数和(自身を除く): 28588750

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 12289, 24578, 61445, 122890, 159757, 208913, 319514, 417826, 798785, 1044565, 1597570, 2089130, 2715869, 5431738, 13579345, 27158690]

約数ペア:

[(1, 27158690), (2, 13579345), (5, 5431738), (10, 2715869), (13, 2089130), (17, 1597570), (26, 1044565), (34, 798785), (65, 417826), (85, 319514), (130, 208913), (170, 159757), (221, 122890), (442, 61445), (1105, 24578), (2210, 12289)]